December weather forecastCharlestown, RI
December
Weather in December
By December, winter has resolutely set in over Charlestown, Rhode Island. The cold temperature is consistent, accompanied by an increased chance of snowfall towards the end of the month. Decreased daylight hours add a wintry chill to the city while the festive season keeps spirits high. The eccentricity of December is marked by an average low temperature of 35.6°F (2°C), making it one of the coldest months. While December's temperature might chill the bones, it enhances the cosy charm of indoor activities and fireside gatherings.Temperature
Charlestown in December undergoes a slight reduction in the average high-temperature, shifting from November's fresh 51.1°F (10.6°C) to a frosty 43.2°F (6.2°C). An average nighttime temperature of 35.6°F (2°C) marks December in Charlestown.Humidity
In Charlestown, the average relative humidity in December is 75%.Rainfall
The month with the most rainfall is December, when the rain falls for 13 days and typically aggregates up to 3.66" (93mm) of precipitation.Snowfall
January through March, November and December are months with snowfall. In Charlestown, in December, during 2.8 snowfall days, 0.87" (22mm) of snow is typically accumulated. In Charlestown, during the entire year, snow falls for 17.8 days and aggregates up to 6.85" (174mm) of snow.Daylight
The month with the shortest days is December, with an average of 9h and 12min of daylight.On the first day of December, sunrise is at 6:53 am and sunset at 4:17 pm. On the last day of the month, sunrise is at 7:12 am and sunset at 4:27 pm EST.
Sunshine
The months with the least sunshine in Charlestown are February and December, with an average of 4.9h of sunshine.UV index
January through March and December, with an average maximum UV index of 2, are months with the lowest UV index in Charlestown. A UV Index of 2, and less, symbolizes a low health risk from unsafe exposure to UV radiation for the ordinary person.Note: The UV index of 2 during December translates into the following guidance:
Children necessitate constant protection from sunlight, unlike the majority, who can remain under the sun for about an hour without burning. The Sun's radiation is especially intense around midday; try to stay in shade during this period. Your best bet for sun defense on the face, eyes, and neck is a hat with a wide brim. Be advised! The UV radiation from the Sun can be almost doubled due to the reflective properties of snow.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Charlestown, RI
- Average high temperature in December: 43.2°F
The warmest month (with the highest average high temperature) is August (76.1°F).
The month with the lowest average high temperature is January (37.6°F).
- Average low temperature in December: 35.6°F
The months with the highest average low temperature are July and August (68.2°F).
The coldest month (with the lowest average low temperature) is January (28.8°F).
Average pressure in December
Charlestown, RI
- Average pressure in December: 30.04"Hg
The month with the highest atmospheric pressure is November (30.07"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).
Average wind speed in December
Charlestown, RI
- Average wind speed in December: 14.3mph
The windiest month (with the highest average wind speed) is January (14.8mph).
The calmest month (with the lowest average wind speed) is July (9.5mph).
Average humidity in December
Charlestown, RI
- Average humidity in December: 75%
The month with the highest relative humidity is June (82%).
The months with the lowest relative humidity are March and November (74%).
Average rainfall in December
Charlestown, RI
- Average rainfall in December: 3.66"
The wettest month (with the highest rainfall) is December (3.66").
The driest month (with the least rainfall) is September (1.69").
Average rainfall days in December
Charlestown, RI
- Average rainfall days in December: 13 days
The month with the highest number of rainy days is July (15.8 days).
The month with the least rainy days is January (8.8 days).
Average snowfall in December
Charlestown, RI
- Average snowfall in December: 0.87"
The month with the highest snowfall is March (2.6").
The months with the least snowfall are April, May, June, July, August, September and October (0").
Average snowfall days in December
Charlestown, RI
- Average snowfall days in December: 2.8 days
The month with the highest number of snowfall days is January (4.9 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).
Average daylight in December /
Average sunshine in December
Charlestown, RI
- Average daylight in December: 9h and 12min
The month with the longest days is June (Average daylight: 15h and 6min).
The month with the shortest days is December (Average daylight: 9h and 12min).
- Average sunshine in December: 4h and 54min
The month with the most sunshine is August (Average sunshine: 10h and 42min).
The months with the least sunshine are February and December (Average sunshine: 4h and 54min).
Average sunshine days in December
Charlestown, RI
- Average sunshine days in December: 15.3 days
The month with the most sunshine days is November (16.9 days).
The month with the least sunshine days is July (12.9 days).
Average UV index in December
Charlestown, RI
- Average UV index in December: 2
The months with the highest UV index are June, July and August (UV index 6).
The months with the lowest UV index are January, February, March and December (UV index 2).
Average cloud cover in December
Charlestown, RI
- Average cloud cover in December: 47
The months with the most cloud cover are February, March and December (Cloud cover 47).
The month with the least cloud cover is August (Cloud cover 27).
Average visibility in December
Charlestown, RI
- Average visibility in December: 6mi
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
